Receive notifications whenever a new program connects to the network, or when it's modified
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Linux


The top-rated alternative to Little Snitch is Wireshark, which is free and open source. People also recommend Portmaster, GlassWire, NetGuard and Fort Firewall. You're spoiled for choice with Firewalls like Little Snitch: we list more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
Receive notifications whenever a new program connects to the network, or when it's modified


The upribox Software turns your RaspberryPi into a privacy-enhancing Wireless router with adblocking, Tor, and a VPN server.



NetGenius is a modern Internet connection monitoring, control and optimization tool. It lets you watch the apps using your Internet in real-time, control their access, and get detailed usage reports. Bandwidth-sensitive applications like voice calls, videos or games can be...


Blocker is a component controller for Android applications that currently supports using PackageManager and Intent Firewall to manage the state of components. It can be seamlessly switched between these controllers, and for application rules, you can export and import them.



SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.

Armor2net personal firewall software stops hackers, data thieves, and protects your PC from Internet-borne threats. Armor2net firewall can meet your requirements for Internet security and Internet privacy.

appNetworkCounter is a simple tool for Windows that counts and displays the number of TCP/UDP bytes and packets sent and received by every application on your system.

With InJoy Firewall™ 4.0 you can say good-bye to old-generation Firewall solutions that were difficult to implement, manage and measure — InJoy Firewall™ is different...



DataCever allows you to monitor and control internet traffic , allowing you to know what consumes your data plan.




NetworkTuna helps you detect and investigate suspicious network activity around your Windows PC. It looks for port scans and repeated attempts from nearby devices to reach services on your computer. Optional router monitoring checks for changes to your router's management...



